Improved construction of ships of war and other navigable vessels



l UNITED STATES PATENT OEEICE.

-JOHN B. SARDY, OF NEV YORK, N. Y.

Specification forming part of Letters Patent N o. 34,165, dated January14, 1862.

To @ZZ whom t may concern.-

Be it known that I, JOHN B. SARDY, of 58 South street, in the city,county, and State of New York, have invented certain new and useful-Improvements in Ships of War and other Vessels; and I do hereby declarethat the following is a full, clear, and exact description of the same,reference being had to the accompanying drawings, forming part of thisspecification, in which- Figure l is a side view of a vessel of warconstructed according to my invention; Fig. 2, a view looking directlytoward the stern of the same; Fig. 3, aplan of the gun-deck; Fig. 4f, acentral longitudinal section; Fig. 5, an inverted plan, and Fig. 6 atransverse section t-aken in the plane indicated by the line :c a: inFig. 4.

Similar letters of reference 'indicate corresponding parts in theseveral figures.

In war-vessels built according to the plans and models at present in useclad with iron or steel armor-plates and propelled by steam, unless theyare of too small size to be safe and formidable sea-going vessels, it isimpossible to obtain carrying capacity sufficient for the battery andfor machinery powerful enough to obtain high speed, with coal enough forseveral days service, without so great a draft of water as renders itimpracticable for them to enter most bays, harbors, rivers, and otherinland waters.

The principal object of the first part of this invention is to overcomethis difficulty', and to this end this part of the invention consists inthe construction of a Vessel with what may be termed a double-inclinedstern-that is to say, with two stern-posts having between them adouble-inclined run commencinginthe after body of the'vessel and amidship-keelby which construction I am enabled to make the vessel with avery fiat floor and greater width of beam extending very far aft, and sogreatly increase the buoyancy and carrying capacity, while I do notinterfere with the propelling or steering qualities of the vessel, but,on the contrary, afford better provision for the use of twoscrew-propellers and two rudders attached to the stern-posts. The sameconstruction is also applicable with corresponding advantage, so far aslightness of draft, speed, and carrying capacity are con sidered, tovessels for other than war purposes.

The second part of the invention consists in the construction of avessel, for the purpose of making it serve as a battering-ram againstother vessels or structures, with a pointed prow terlninating at or nearthe water-line and having an inclination in every direction-viz., upwardand downward and laterally toward the bow of the vessel-such yprow notbeing simply put on the outside of the vessel, but being built with andforming a part of the vessel, and thereby having great strength andstability. This prow is to be covered with iron or steel armor-platesand heavily clad with steel at its point.

The form of the double-inclined stern is illustrated in Figs. 2, 4, 5,and 6.

ct a are the two stern-posts, and b b the double-inclined or centralruns, corresponding nearly in form with the outside runs c c. Thestern-posts a ct combine with two parallel keels d d, which may extendthe whole or any portion of the length of the vessel.

e is the central or main keel, extending the whole length of the vesseland having in the after part of the vessel an inclination from where thedouble inclined or central runs c c commence upward to the stern.

The pointed prow is illustrated in Figs. l, 3, and 4, by a comparison ofwhich it may be seen that the said prow is inclined or tapered in everydirection bottom, and sides. This prow is built out as a portion of thehull ot the vessel and made 0f or lled with solid timber for somedistance back from its point.

I propose in building vessels of war to have the sides inclined towardthe center from the water-line upward, as shown in Figs. 2 and 6, tocause the glancing olf of projectiles which may strike them; also, tothrow the weight under the center of motion, and I also propose to havean iron or steel plated bomb-proof deck f, covering the gum-deck g, withsuitable and adequate means of ventilation and carrying away the smokefrom the guns.

What I claim as my improvement in the construction of a mau-onf-war shipor other navigable vessel isthat is to say, on its top,

1.l The combination of two or more stern- @lined runs b b,substentiztllyes heren'speciposts a, a, two or more keels cl d, and twoor ed. more propellers hh or other motors revolving v3. The pointed proWtapered in all direcin the same Vertical plane, construct-ed and tionswhen used in a 11u11, as before described.

operating in the manner and for the purpose described, in order thatgreater buoyancy, JOHN B. SARDY. speed, and capacity may be obtained.Witnesses:

2. The combination of the central keel e RICHARDSON GAWLEY; with keels dl and propellers h 77, and n- JAMES LAIRD.

